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post #1 of (permalink) Old 08-20-2003, 12:31 PM Thread Starter
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Redline on 1300 EFI ?

Anyone know what how many rpms a 1300 efi can turn before it 'gernades?
At what rpm is the best fuel economy?
I understand that max torque is reached at 5000 rpm.
Anyone know how many rpm a totally stock post 90 Zuke withh a 1300 is turning at 70 mph?

Who has driven their zukes at 4500 rpm for extended periods?
Thanks,
Dale
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post #2 of (permalink) Old 08-20-2003, 12:33 PM
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Re: Redline on 1300 EFI ?

I drove 1k miles at about 4100rpm. Seems 4k is about the sweet spot.
If your engine is good, 6500 is redline.
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post #3 of (permalink) Old 08-20-2003, 12:36 PM Thread Starter
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Re: Redline on 1300 EFI ?

Is that with your GTI ?
You think the non gti will hold up to 4000 rpm on a regular basis?
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post #4 of (permalink) Old 08-20-2003, 12:41 PM
 
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Re: Redline on 1300 EFI ?

on my good zuk, i was running 5.12:1 with tiny 31s and it would be well over 4500 on the highway. it would bury the speedometer at will but the engine was a gti hybrid.

my bro still has his 180,000+ stock engine and it is almost always wrapped out well past 4500 rpms. besides for a few oil leaks, no damage has been done. it has been hammered on like this for years. his is the only good stock non gti suzuki automotive engine i have seen yet.

one thing to be noted, the STOCK samurai distributor may be reliable but it does not do well above 5000 rpm. to get better performance above 5000 rpms you will need to have your disty reworked or recurved. dparker went this route a long time ago and had great results from what i remember.
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post #5 of (permalink) Old 08-20-2003, 02:01 PM
 
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Re: Redline on 1300 EFI ?

Im running a swift block(non gti) And I run her up to 5000 all the time. Not prolonged highway speeds. But I can run at 65mph in 5th(on 31's) around 3700 rpms.

kama [img]images/graemlins/grin.gif[/img]
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post #6 of (permalink) Old 08-20-2003, 02:08 PM
 
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Re: Redline on 1300 EFI ?

AKDale "Who has driven their zukes at 4500 rpm for extended periods?" For me not 4500 but 4,000 to 4,200 for 6 1/2 hours straight one way,Well I would stop every two hours for gas.

Was running 31x10.5x15 BFG Mud Terrains ,STOCK 94 EFI engine,GRS11 transfer case gears ,stock front/rear gears,with a the rear end locked. [img]images/graemlins/grin.gif[/img]

Thank goodness I don't have stock seats or I wouldn't make trips like that.
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post #7 of (permalink) Old 08-20-2003, 04:39 PM
 
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Re: Redline on 1300 EFI ?

Blue_Zuk,

What was involved with the disty re-work? My 1L uses the same disty and I run it at or above 5K
constantly. It does however, occasionally act likes its loaded up and loses power, mostly at high RPM's.
I recently switched from whatever was cheap lo grade to U76 or Chevron low grade and it seems to do
this less.

It's pretty obvious that when we have minimal HP to begin with it doesn't take much to take the wind out of
a zuks sails, so over time I have made a number of changes including upgrading the coil to a good accell,
which seemed to help quite a bit. Both my disty's run the same, but perhaps the both need attention.
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post #8 of (permalink) Old 08-20-2003, 06:41 PM
 
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Re: Redline on 1300 EFI ?

outlaw,
ignition specialists can do anything from fix a sloppy worn disty to creating a total "balls out" performance one.

one of the most common problems with stock suzuki distributors is teh phasing of the rotor to the terminals on the disty cap are usually off by an inconsistant amount. static air gap can cause you to lose some spark under higher rpms, and create a missfire or a loading up type problem.

i had an older guy that was good with distys rephase and tweak my stock samurai one. cost me like $65 i think. works great in the upper rpms now as opposed to how it was stock. remember,the stock distys are generally inconsistant and some may require more tweaking than others.

dparker went through www.melsignition.com and they reworked several zuk distys for him.

please excuse me for my lack of more precise info, but i am trying to pass on what the ignition guy explained to me.
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post #9 of (permalink) Old 08-20-2003, 07:14 PM
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Re: Redline on 1300 EFI ?

Hmm.. Looks like they can curve/modify a distrib to function correctly with NO vacuum advance nonsence! Hmmm, once I get the x-90 running well, might be a good investment on the samurai! [img]images/graemlins/laugh.gif[/img]
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post #10 of (permalink) Old 08-20-2003, 07:15 PM
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Re: Redline on 1300 EFI ?

The stock suzuki engines (I think most/all of them?) redline at 6500, the gti is capable of surviving high rpms. Uhoh, dinner's ready [img]images/graemlins/laugh.gif[/img]
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